Footwear sole



FIG. 1 is a perspective view of a footwear sole embodying our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIGS. 1-6 show an upper and portions of the sole in broken lines. The upper and portions of the sole in broken lines are shown for environmental purposes and do not form any part of the claimed design.

The broken lines immediately adjacent to the solid lines, as well as the outermost broken lines of the circular areas in the arch and heel in FIGS. 1, 2 and 6, define the boundaries of the design. The broken lines form no part of the claim. 

The ornamental design for a footwear sole, as shown and described. 